SMC Corporation of America
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KQ2 one-touch, metric and inch size fittings are available in a wide variety of sizes, body styles and thread types. The specially designed packing provides positive sealing under pressure without the reduced flow common with compression fittings. The KQ2 release collar releases both the chuck and collet to provide a low disconnection force for easy removal of the tubing. Accepts nylon

KQ2 one-touch, metric and inch size fittings are available in a wide variety of sizes, body styles and thread types. The use of a special profile seal allows the KQ2 to be used for a wide range of pressures from a low vacuum up to a pressure of 1MPa.  The KQ2 release collar releases both the chuck and collet to provide a low disconnection force for easy removal of the tubing.

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Inch Size One-touch Fittings Series KQ2 Applicable Tubing: Inch Size, Connection Thread: UNF, NPT How to Order A S 05 34 KQ2 H Threaded Type Male thread seal method One-touch fittings Metric Size M, R, Rc Seal method None With thread sealant Symbol Nil S Symbol Model Model Male connector Hexagon socket head male connector Female union Male elbow 45n male elbow Universal male elbow Hexagon

(mm) M Effective area (mm2) Mass (g) A D L Model Nylon Urethane Applicable tubing 3 2.5 KQ2H23-M5 KQ2H23-01S KQ2H23-02S KQ2H04-M5 KQ2H04-M6 KQ2H04-01S KQ2H04-02S KQ2H06-M5 KQ2H06-M6 KQ2H06-01S KQ2H06-02S KQ2H06-03S KQ2H08-01S KQ2H08-02S KQ2H08-03S KQ2H10-01S KQ2H10-02S KQ2H10-03S KQ2H10-04S KQ2H12-02S KQ2H12-03S KQ2H12-04S KQ2H16-03S KQ2H16-04S 2.1 9 16 2.4 2.5 9 16 3.3 3.4 16 14 27 21 19

[mm] Weight [g] X Y Nylon Urethane 3.2 M3 x 0.5 KQ2H23-M3G1 7 6.9 6.7 9.5 17 14.4 13.3 0.9 0.9 1.2 2.4 M5 x 0.8 KQ2H23-M5m1 7 6.9 6.7 9.5 17.3 14.3 13.3 3 2.5 2.5 2.7 M A L H M3 x 0.5 KQ2H04-M3G1 8 7.9 7.7 10 17.1 14.5 13.3 0.9 0.9 1.2 2.9 M5 x 0.8 KQ2H04-M5m1 8 7.9 7.7 10 17.7 14.7 13.3 4 4 2.5 3.3 M6 x 1.0 KQ2H04-M6m1 8 7.9 7.7 10 18.7 14.7 13.3 5.6 4 3 3.6 Connection thread 4 Release button

Form w 1 Material e r Vacuum inlet Connection thread N S U F GN GS HS 04 06 08 UM 02 10.8 7 2 1.4 KQ2H02-M5N C2 04 14.7 8 4 2.5 KQ2H04-M5N ZP3 Y B3 02 10.8 7 2 1.4 KQ2H02-M5N 04 14.7 8 4 2.5 KQ2H04-M5N 06 10 6 KQ2H06-M5N Vacuum inlet: One-touch fitting 10 13 16 Applicable tubing O.D.

(mm) Weight (g) Nylon Urethane D Applicable tubing 2 M3 x 0.5 KQ2H02-M3G 7 5.5 15.6 13 11.9 0.9 1.2 1.5 M5 x 0.8 KQ2H02-M5l 7 5.5 13.8 10.8 11.9 0.9 1.4 2 3.2 M3 x 0.5 KQ2H23-M3G 7 6.7 17 14.4 13.3 0.9 0.9 1.2 2.4 M5 x 0.8 KQ2H23-M5l 7 6.7 17.3 14.3 13.3 3 2.5 2.5 2.7 M A L 4 M3 x 0.5 KQ2H04-M3G 8 7.7 17.1 14.5 13.3 0.9 0.9 1.2 2.9 M5 x 0.8 KQ2H04-M5l 8 7.7 17.7 14.7 13.3 4 4 2.5 3.3 M6

(mm) M Effective area (mm2) Nylon Urethane (1) (2) Weight (g) A L D Model Applicable tubing 3 2.5 KQ2H23-M5 KQ2H23-01S KQ2H23-02S KQ2H04-M5 KQ2H04-M6 KQ2H04-01S KQ2H04-02S KQ2H06-M5 KQ2H06-M6 KQ2H06-01S KQ2H06-02S KQ2H06-03S KQ2H08-01S KQ2H08-02S KQ2H08-03S KQ2H10-01S KQ2H10-02S KQ2H10-03S KQ2H10-04S KQ2H12-02S KQ2H12-03S KQ2H12-04S KQ2H16-03S KQ2H16-04S 2.1 9 16 2.4 2.5

(mm) M Effective area (mm2) Nylon Urethane (1) (2) Weight (g) A L D Model Applicable tubing 3 2.5 KQ2H23-M5 KQ2H23-01S KQ2H23-02S KQ2H04-M5 KQ2H04-M6 KQ2H04-01S KQ2H04-02S KQ2H06-M5 KQ2H06-M6 KQ2H06-01S KQ2H06-02S KQ2H06-03S KQ2H08-01S KQ2H08-02S KQ2H08-03S KQ2H10-01S KQ2H10-02S KQ2H10-03S KQ2H10-04S KQ2H12-02S KQ2H12-03S KQ2H12-04S KQ2H16-03S KQ2H16-04S 2.1 9 16 2.4 2.5

KQ2 Series Model Applicable tubing Connection thread Part number 3.2 M3 x 0.5 KQ2H23-M3G1 3.2 M5 x 0.8 KQ2H23-M51 4 M3 x 0.5 KQ2H04-M3G1 4 M5 x 0.8 KQ2H04-M51 4 M6 x 1.0 KQ2H04-M61 6 M5 x 0.8 KQ2H06-M51 6 M6 x 1.0 KQ2H06-M61 6 R1/8 KQ2H06-01S1 1/8 10-32UNF KQ2H01-321 5/32 10-32UNF KQ2H03-321 3/16 10-32UNF KQ2H05-321 5/32 NPT1/16 KQ2H03-33S1 1/8 M5 x 0.8 KQ2H01-M51 3/16 M5 x 0.8 KQ2H05-M51

Q A10 M10 x 1 A14 M14 x 1 J Rotating K Non-rotating Width across flats P t Vacuum inlet Pad diameter 10 to 32 40, 50 (10 st only) 04 4 One-touch fitting KQ2H04-M5N 06 6 KQ2H06-M5N KQ2H06-01NS 08 8 KQ2H08-01NS N6 For 6 nylon tubing Barb fitting U6 For 6 soft tubing N Dimensions Per Vacuum Inlet: One-touch Fitting Model N P Q Fitting part min. hole size Vacuum inlet direction q Pad dia.

D L M Effective area (mm2) Weight (g) A Nylon Urethane 3 2.5 12.7 M5 X 0.8 2.1 9 16 2.4 2.5 9 16 3.3 3.4 16 14 27 21 19 26 19 30 30 53 42 34 51 61 47 7 7 16.7 22 19.5 17 18 22 19.5 17.8 19 22.5 23 22 28 26.5 22 30 33.5 29 27 34.5 13.6 18 13.5 KQ2H23-M5 KQ2H23-01S KQ2H23-02S KQ2H04-M5 KQ2H04-M6 KQ2H04-01S KQ2H04-02S KQ2H06-M5 KQ2H06-M6 KQ2H06-01S KQ2H06-02S KQ2H06-03S KQ2H08

D L M Weight (g) A Nylon Urethane M5 0.8 12.7 3.4 2.9 KQ2H23-M5 KQ2H23-01S KQ2H23-02S KQ2H04-M5 KQ2H04-M6 KQ2H04-01S KQ2H04-02S KQ2H06-M5 KQ2H06-M6 KQ2H06-01S KQ2H06-02S KQ2H06-03S KQ2H08-01S KQ2H08-02S KQ2H08-03S KQ2H10-01S KQ2H10-02S KQ2H10-03S KQ2H10-04S KQ2H12-02S KQ2H12-03S KQ2H12-04S KQ2H16-03S KQ2H16-04S 2 9 16 2.4 2.5 9 16 3.3 3.4 16 14 27 21 19 26 19 30 30 53 42 34 51 61 47 Reference